What do you mean by "put to rest"? Do you mean we should switch to using another theory, which reproduces all existing results, also correctly predicts some cu

What do you mean by "put to rest"? Do you mean we should switch to using another theory, which reproduces all existing results, also correctly predicts some currently-unexplained observation or experiment, and has also correctly predicted previously-unobserved results (i.e. isn't just a "fudge factor")? If so, I would love to know what that theory is, since I certainly didn't encounter any such thing in the dark matter module of my masters degree (the options were basically MOND or (various possible forms of) dark matter, and the former is certainly much more of a "fudge factor"). If by "put to rest" you mean we just throw away our current theories without having a better replacement, then I don't even understand what that would mean. Would we ground all rocket launches since we don't completely understand gravity?